diff --git a/website/content/docs/builders/proxmox/iso.mdx b/website/content/docs/builders/proxmox/iso.mdx
index f4de5b7d6..954b37699 100644
--- a/website/content/docs/builders/proxmox/iso.mdx
+++ b/website/content/docs/builders/proxmox/iso.mdx
@@ -212,6 +212,7 @@ builder.
   Defaults to `lsi`.
 
 - `cloud_init` (bool) - If true, add a Cloud-Init CDROM drive after the virtual machine has been converted to a template.
+   Defaults to `false`.
 
 - `cloud_init_storage_pool` - (string) - Name of the Proxmox storage pool
   to store the Cloud-Init CDROM on. If not given, the storage pool of the boot device will be used.